Implement loop for global regexps in regexp assembler.

src/regexp-macro-assembler.h

Index: src/regexp-macro-assembler.h
diff --git a/src/regexp-macro-assembler.h b/src/regexp-macro-assembler.h
index 85874358e5e87722b246bca6fc1e64af751af6ac..fe807691944f08b22aa1d47e7d495d7a1eb21158 100644
--- a/src/regexp-macro-assembler.h
+++ b/src/regexp-macro-assembler.h
@@ -1,4 +1,4 @@
-// Copyright 2008 the V8 project authors. All rights reserved.
+// Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
@@ -183,8 +183,14 @@ class RegExpMacroAssembler {
   void set_slow_safe(bool ssc) { slow_safe_compiler_ = ssc; }
   bool slow_safe() { return slow_safe_compiler_; }
 
+  // Set whether the regular expression has the global flag.  Exiting due to
+  // a failure in a global regexp may still mean success overall.
+  void set_global(bool global) { global_ = global; }
+  bool global() { return global_; }
+
  private:
   bool slow_safe_compiler_;
+  bool global_;
 };
 
 
@@ -249,6 +255,7 @@ class NativeRegExpMacroAssembler: public RegExpMacroAssembler {
                         const byte* input_start,
                         const byte* input_end,
                         int* output,
+                        int output_size,
                         Isolate* isolate);
 };